Date: Mon, 26 Jan 2015 13:19:08 +0100 From: "Ranjan1018 ." <214748mv@gmail.com> To: Adrian Chadd <adrian@freebsd.org> Cc: freebsd-current <freebsd-current@freebsd.org>, Konstantin Belousov <kib@freebsd.org> Subject: Re: drm2 regression: backlight adjustment on ivybridge no longer works Message-ID: <CACyC=qYMT3VFx4GxypJ6F61pKSaxE0JKBK%2BudDMPSh4_ASAi6w@mail.gmail.com> In-Reply-To: <CAJ-VmomfBrBN6HVBq5FoRf1nRqvrhiDOw6RHjfs13j-9cqi1vg@mail.gmail.com> References: <CAJ-VmomfBrBN6HVBq5FoRf1nRqvrhiDOw6RHjfs13j-9cqi1vg@mail.gmail.com>
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2015-01-24 23:25 GMT+01:00 Adrian Chadd <adrian@freebsd.org>: > Hi, > > I've just found a regression. > > The backlight adjustment doesn't work on my ivybridge mobile laptop > (Lenovo X230) after the dri update. > > I've added debugging. It's making it all the way to the pch backlight > panel update routine in intel_panel.c, but it's not changing the > backlight appearance itself. > > The "intel_backlight" program from intel-gpu-tools" also no longer > changes the backlight value. > > I'm going to finish rebuilding -HEAD on the sandy bridge laptop here > and try it out. > > Thanks, > > > > -adrian > Hi, I have the same issue on my Samsung Ativ 2 laptop. Regards, Maurizio
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